21 books in series

50 Ideas You Really Need to Know

50 Ideas You Really Need to Know is a 21-book series first released in 2007 with contributions by Ben Dupré, Joanne Baker, and 10 others.

50 Big Ideas You Really Need to Know
PopularFirst

2009

50 Economics Ideas You Really Need to Know

2009 • 4 Readers • 208 pages

50 Maths Ideas You Really Need to Know

2007 • 1 Reader • 208 pages 3

50 Physics Ideas You Really Need to Know

2007 • 4 Readers • 316 pages